diff --git a/.gitea/workflows/build-image.yml b/.gitea/workflows/build-image.yml
index c5c3091..8ac0242 100644
--- a/.gitea/workflows/build-image.yml
+++ b/.gitea/workflows/build-image.yml
@@ -10,10 +10,10 @@ jobs:
         uses: actions/checkout@v4
       - name: Install system dependencies
         run: |
-          // change mirror to kku.ac.th for faster package downloading
+          # change mirror to kku.ac.th for faster package downloading
           sed -i 's@http://archive.ubuntu.com@https://mirror.kku.ac.th@g' /etc/apt/sources.list
           sudo apt update && sudo apt install nodejs npm curl -y
-          // Install docker
+          # Install docker
           curl -fSsl https://get.docker.com | bash
       - name: Install project dependencies
         run: |